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来源:雅诚德英语网
A study in Sweden indicated that kindergarten children who could play in a natural environment had less illness and greater physical ability than children used only to a normal playground.
瑞典的一项研究表明,能够在自然环境中玩耍的幼儿园儿童比只能在普通操场上玩耍的儿童患病更少,体能更强。